TEPCat: Kepler-1121b


 

This page summarises the information held within TEPCat for the transiting system Kepler-1121b. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2016ApJ...822...86M  
Date of discovery paper 2016 / 5 / 10 y / m / d
Data/telescope used for discovery Kepler  
Right ascension 19 51 08.78 h m s
Declination +47 53 10.0 d m s
Right ascension (decimal) 297.78658 degrees
Declination (decimal) 47.88611 degrees
V-band apparent magnitude 12.17 mag
K-band apparent magnitude 10.79 mag
Transit duration 0.2266
( 5.438 )
day
hour
Transit depth 0.01 %
Time of mid-transit   2454977.16237 ± 0.00500     HJD or BJD
Orbital period 13.1514022 ± 0.0000798 days
Reference for orbital ephemeris   2016ApJ...822...86M  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6231 +90 −73 K
Stellar metal abundance ([Fe/H] or [M/H])   0.12 ± 0.09 dex
Stellar mass 1.290 +0.130 −0.060   Msun
Stellar radius 1.590 +0.400 −0.290 Rsun
Stellar logarithmic surface gravity 4.140 ± 0.150 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity  
Orbital semimajor axis     AU
Planetary mass Mjup
Mearth
Planetary radius 0.167 +0.031 −0.035
( 1.87 +0.35 −0.39 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature 1008 K
Reference of detailed study 2016ApJ...822...86M  

 

Kepler-1121b does not have an entry in the catalogue of orbital obliquity measurements.

 


Page generated on 2025/08/27           John Southworth   (Keele University, UK)